Problem Display
PID: 83337 (1K6/8/4B1p1/8/8/8/1pN1Q3/Nkr5 w - - 0 1)

Havel, Miroslav

Sachove umeni (Ceskoslovensky sach), 1955

1K6/8/4B1p1/8/8/8/1pN1Q3/Nkr5

#4

5 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sa3+
          • 2...Kxa1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
        • 2.Se3+
          • 2...Kxa1
            • 3.Qa6+
              • 3...Kb1
                • 4.Qa2#
            • 3.Qa3+
              • 3...Kb1
                • 4.Qa2#
          • 2...Rc2
            • 3.Saxc2
              • threat
                • 4.Qf1#
                • 4.Qd1#
              • 3...Kc1
                • 4.Qd1#
        • 2.Sb4+
          • 2...Kxa1
            • 3.Qa6+
              • 3...Kb1
                • 4.Qa2#
            • 3.Qa3+
              • 3...Kb1
                • 4.Qa2#
          • 2...Rc2
            • 3.Sb3
              • 3...g5
                • 4.Qxc2#
      • 1...Rxc2
        • 2.Qxc2+
          • 2...Kxa1
            • 3.Qa4+
              • 3...Kb1
                • 4.Qd1#
      • 1...bxa1S
        • 2.Sxa1+
          • 2...Kxa1
            • 3.Qa3+
              • 3...Kb1
                • 4.Qa2#
          • 2...Kb2
            • 3.Qb3+
              • 3...Kxa1
                • 4.Qa2#
          • 2...Rc2
            • 3.Qxc2+
              • 3...Kxa1
                • 4.Qc1#
                • 4.Qa2#
      • 1...Re1
        • 2.Sxe1+
          • 2...Kxa1
            • 3.Sc2+
              • 3...Kb1
                • 4.Qd1#
        • 2.Sa3+
          • 2...Kxa1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
      • 1...Rg1
        • 2.Sa3+
          • 2...Kxa1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
      • 1...Rh1
        • 2.Sa3+
          • 2...Kxa1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).